It is 100×56 cm in size. you do not need to use tape. it does not require static cling adhesive. it is applied to the wall, glass, wood. it clings like a magnet. it does not damage the surface. no damp cloth or wet wipes are used. whiteboard pens are used. dry wipe should be done before application. make sure to remove the dust from the surface. especially in the use of teachers, it should remain on the surface they apply. if there will be a continuous disassembly and assembly process, you can fasten the product with magnet bands. maximum 10 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 10 units. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.